4 - 1 - 4 - 1 DM Wide.
I have sort of exploited a weakness in the eredivisie completely by chance. I started off over wage budget and the only fix was to sacrifice my transfer budget to compensate, which meant for the first window only frees and loans would do.
I didn't have much luck in loans because most of the worthwhile loans I could get from big teams wanted me to pay a % of their salary that was way over what my max salary was. For example, I wanted Scott McTominay from Man Utd, but they wanted me to pay 10k of his salary week when my max wage allowed was like 4k. However, in looking over Man Utd's team for possible loans, I noticed they had a Belgian youngster who was a regen who did not generate at a club who was on trial and had not signed a contract yet. I saw he was getting interest from other premier league teams, which to me meant that I probably didn't need to scout him, and i signed him on the spot. His stats aren't too spectacular, but were very good in key areas: At age 16, he had 15 Finishing, 16 Acceleration, and 15 Pace. He lacked other things like composure, which he only had at 9, but he was good enough for me to start him in a season opener against Ajax, which we won after he scored 2 goals. It was in that match I realized that defenders in the Eredivise are tall and have good jumping reach, but are sorely lacking in Pace. What this meant to me was I would play on the counter mentality, ave him always play forward, build a team around him with great support from the wings, encourage direct passing, whip my crosses and take out the popcorn as this kids goal tally is close to equaling his appearances. He just turned 18 before my game with Barcelona and he's still improving. No clubs have come for him yet as he is basically a min-maxed slayer of Dutch defenders, and i doubt he would perform as well outside the league.
I'd post screenshots but I'm on my phone right now.